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Cheap Mercedes Benz Slk cars under £20,000

With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check

120 Mercedes Benz Slk cars under £20,000 - 41 reductions


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Recently reduced (41)

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 Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

This model has bluetooth interface, mp3 compatible, climate control, alloy wheels, centre console, wind deflector, centre console storage, alloys, bluetooth system, sports suspension, audio, passenger, speakers, radio, full service history, auto climate control, cd...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£17,490
Was £19,490 Save £2,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features on this model include steering wheel leather, adjustable steering column/wheel, heated seats, driver, climate control, full service history, central door locking, alloy wheels, parktronic, alarm, steering wheel mounted controls, anti lock brakes, bluetooth, black, leather...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,695
Was £16,995 Save £300

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

This car has We have much more to tell you about this car so please feel free to call us for more details...eee

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 M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£12,750
Was £12,995 Save £245

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Features on this model include driver, navigation system, alloy wheels, heated seats, anti lock braking system, airbags, abs, air con, air conditioning, service history, leather, black, part exchange welcome, airbag, 18in alloy wheels, finance available, mot, automatic...eee

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 Egerton Cars Ltd, Blackburn Road , Bolton

£11,799
Was £11,995 Save £196

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   62,597 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This model has passenger, driver, brake assist, diesel, anti lock braking system, pas, alloy wheels, air con, audio, heated front seats, sat nav, parktronic, abs, heated front seat, alarm, automatic, airbags, convertible, leather, audio 20, heated seats, warranty, ...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£10,500
Was £11,500 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2015  |   47,200 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Featuring navigation system, leather interior, black, bluetooth interface, air con, cruise control, bluetooth, speed limiter, 18in alloy wheels, electric windows, part exchange welcome, 2 keys, alloy wheels, heated seats, cd, dab radio, wind deflector, climate...eee

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 Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

2007  |   24,700 miles  |   Convertible  |   2996  |   petrol  |   automatic  |   0 doors

Features include adjustable steering column, anti lock brakes, pas, passenger, cruise control, spare wheel, computer, leather, upholstery cloth, air conditioning, driver, electronic stability programme, third brake light, steering wheel mounted controls, front fog li...eee

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 Harveys Car Centre Scaynes Hill, Lewes Road, West Sussex

£9,995
Was £10,495 Save £500

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2015  |   66,000 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Comes with black, automatic, abs, 18in alloy wheels, bluetooth, alarm, audio 20, air conditioning, bluetooth interface, pas, low mileage, brake assist, airbag, audio, alloys, anti lock braking system, alloy wheels, airbags, full leather, driver, passenger, air ...eee

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 Manor Garage, Crossroads Farm, Kingsdown, Box

£9,750
Was £9,950 Save £200

Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto

2012  |   54,000 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

Includes automatic, air conditioning, immobiliser, usb, automatic headlamp activation, speakers, cd, tyre pressure loss warning system, radio, sports suspension, bluetooth, remote boot release, alarm, air con, 18in alloy wheels, wind deflector, alloy wheels, ...eee

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 Prestige Car Supermarket, A19 Crockey Hill, York

£9,699
Was £10,799 Save £1,100

Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2014  |   36,624 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Comes with bluetooth, black cloth interior, leather steering wheel, wind deflector, 17in alloy wheels, sports seats, audio 20, airbag, audio, convertible, cd, brake assist, pas, alloy wheels, dab digital radio, cloth, cloth interior, aluminium trim, automatic, ...eee





120 cars under £20,000

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 Derby Trade Cars Limited Derby, Ascot Drive, Derbyshire

£19,990

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

2013  |   56,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Featuring dab digital radio, sunroof, daytime running lights, full service history, leather seats, panoramic sunroof, cruise control, leather, radio, sat nav, automatic, rear parking sensors, black, parking sensors, service history, audio, front and rear parki...eee

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 Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

This car has passenger, climate control, bluetooth interface, audio, mp3 compatible, auto climate control, cd, centre console storage, radio, service history, wind deflector, full service history, bluetooth, pas, audio 20, bluetooth system, sports suspension, all...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£17,490
Was £19,490 Save £2,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

With alarm, service history, bluetooth, parktronic, central door locking, heated seats, full service history, air bag, alloy wheels, black, adjustable steering column/wheel, computer, cruise control, electronic stability programme, steering wheel leather,...eee

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 Integrity Automotive Limited, West End Road, Ipswich

£17,350

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

2012  |   79,431 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Description includes airbag, leather, leather interior, alloy wheels, pas, driver, anti lock braking system, 18in alloy wheels, alarm, automatic transmission, air con, immobiliser, airbags, air conditioning, black, passenger, automatic, abs, service history...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,695
Was £16,995 Save £300

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

This car has We have much more to tell you about this car so please feel free to call us for more details...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

2007  |   63,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

With electric windows (front), central door locking, alloy wheels, air bag, leather, spare wheel, adjustable steering column, electric windows, climate control, driver, speakers, steering wheel mounted controls, adjustable steering column/wheel...eee

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 RJ Cars Horley Ltd, The Old Forge, Horley

£14,995

Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto

2015  |   39,000 miles  |   Convertible  |   1991  |   petrol  |   automatic  |   0 doors

Features include leather, leather interior, led daytime running lights, service history, registered keeper, computer, daytime running lights, mot, full service history, black, petrol, alloys, sports seats, convertible, trip computer...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

2007  |   40,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Options include steering wheel leather, alloy wheels, adjustable steering column/wheel, anti lock brakes, pas, electronic stability programme, air bag driver, speakers, computer, driver, immobiliser, leather, air bag, electric windows, passenger, alarm, central door...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£12,990

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   56,500 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Features on this model include dab digital radio, hpi clear, cruise control, bluetooth, climate control, 2 owners, heated front seat, automatic, alloy wheels, audio 20, dab radio, parktronic, radio, brake assist, rear parking sensor, finance available, 18in alloy wheels, audio, pa...eee

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 M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£12,750
Was £12,995 Save £245

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Features on this model include air conditioning, anti lock braking system, mot, service history, airbags, navigation system, driver, 18in alloy wheels, part exchange welcome, finance available, leather, black, heated seats, alloy wheels, airbag, air con, automatic, abs...eee






We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.

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